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Current system

20349+2757
GRV 358

Selections

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20349+2757 GRV 358

20^h 34^m 59.11^s +27° 57' 24.7" P.A. 72.00 sep 17.8 mag 12.10,13.20

Coord 2000	20349+2757		Discov num	GRV 358		Comp			Coord arcsec 2000	20 34 59.11 +27 57 24.7
Date first	2000		Date last	2015		Obs	8
Pa first	72		Pa last	72		P.A. Now (θ)	72°
Sep first	17.8		Sep last	17.8		Sep. Now (ρ)	17.8"
Mag pri	12.10		Mag sec	13.20		delta mag (ΔM)	1.1		Spectral class
Pri motion ra	-027		Sec motion ra	-024
Pri motion dec	-018		Sec motion dec	-017
Notes

rPM=0.097 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

71.6

Precise sep

17.781

Constellation

Vulpecula

Gaia DR2

1857265530932375808

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20349+2757	GRV 358		2000	2	72	17.8	12.10	13.20		D	203459.11+275724.7
20349+2757	GRV 358		2002	3	72	17.8	12.10	13.20		D	203459.11+275724.7
20349+2757	GRV 358		2010	3	72	17.9	12.10	13.20			203459.11+275724.7
20349+2757	GRV 358		2015	4	72	17.8	12.10	13.20			203459.11+275724.7

If you need more information about this double, apply for a data request form to the WDS.